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Ships within 48 hours · Estimated delivery Oct 3 - Oct 8
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Description
NU311EWC3 NSKN311W d 55 mm Bore diameter D 120 mm Outside diameter B 29 mm Width EW 104. 5 mm Raceway diameter of outer ring r (min.) 2 mm Chamfer dimension r1 (min.) 2 mm Chamfer dimension Cr 136000 N Basic dynamic load rating C0r 111000 N Basic static load rating Thermal Speed Rating (Oil bath) 6300 min 1 Oil bath lubrication subject to conditions outlined in ISO 15312 Grease 4000 min 1 Grease lubrication Oil (Oil bath) 5000 min 1 Oil bath lubrication da (min.)
| N311W |
| d | 55 | mm | Bore diameter |
| D | 120 | mm | Outside diameter |
| B | 29 | mm | Width |
| EW | 104.5 | mm | Raceway diameter of outer ring |
| r (min.) | 2 | mm | Chamfer dimension |
| r1 (min.) | 2 | mm | Chamfer dimension |
| Cr | 136000 | N | Basic dynamic load rating |
| C0r | 111000 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 6300 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Grease | 4000 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 5000 | min-1 | Oil-bath lubrication |
| da (min.) | 64 | mm | Diameter of shaft abutment (min) |
| Db (min.) | 107 | mm | Diameter of housing abutment |
| rb (max.) | 2 | mm | Radius of shaft or housing fillet |
| Db (max.) | 111 | mm | Diameter of housing abutment |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet |
| Mass approx. | 1.42 | kg | Mass approx. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Yes!
Size: Medium
Durable. Squeak doesn't last forever with my aggressive chewers but crinkle does. Best balls.
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Reviewed in the United States on September 28, 2025
★★★★★ 5
Balls
Size: Medium
My dog loves chasing these balls. He seems to love the squeak! They fit the chuck it stick perfectly, and are great replacements for the originals that came with the stick.
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Reviewed in the United States on February 7, 2026
★★★★★ 5
Nice set of balls
Size: Medium
The squeaker quickly became my dog’s favorite ball and has replaced the fuzzy tennis balls. My dog is a nonstop fetcher and these chuck it balls are durable and fun.
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Reviewed in the United States on January 9, 2026
★★★★★ 5
Perfect ball
Size: Medium
Our dog loves these!
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Reviewed in the United States on May 26, 2026
★★★★★ 4
Soild
Size: Medium
The orange and blue ball is perfect. Once start taken because the because the blue noisy one was a little to easy for my dog to start ripping pieces off. Will say most toys do not survive his chewing.
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Reviewed in the United States on January 24, 2026